Organoids from Nephrotic Disease-Derived iPSCs Identify Impaired NEPHRIN Localization and Slit Diaphragm Formation in Kidney Podocytes

Shunsuke Tanigawa, Mazharul Islam, Sazia Sharmin, Hidekazu Naganuma, Yasuhiro Yoshimura, Fahim Haque, Takumi Era, Hitoshi Nakazato, Koichi Nakanishi, Tetsushi Sakuma, Takashi Yamamoto, Hidetake Kurihara, Atsuhiro Taguchi, Ryuichi Nishinakamura

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)

Abstract

Mutations in the NPHS1 gene, which encodes NEPHRIN, cause congenital nephrotic syndrome, resulting from impaired slit diaphragm (SD) formation in glomerular podocytes. However, methods for SD reconstitution have been unavailable, thereby limiting studies in the field. In the present study, we established human induced pluripotent stem cells (iPSCs) from a patient with an NPHS1 missense mutation, and reproduced the SD formation process using iPSC-derived kidney organoids. The mutant NEPHRIN failed to become localized on the cell surface for pre-SD domain formation in the induced podocytes. Upon transplantation, the mutant podocytes developed foot processes, but exhibited impaired SD formation. Genetic correction of the single amino acid mutation restored NEPHRIN localization and phosphorylation, colocalization of other SD-associated proteins, and SD formation. Thus, these kidney organoids from patient-derived iPSCs identified SD abnormalities in the podocytes at the initial phase of congenital nephrotic disease. Nishinakamura and colleagues reveal the pathogenesis of congenital nephrotic disease using iPSCs derived from a patient with an NPHS1 missense mutation. The mutant kidney podocytes show impaired NEPHRIN localization and slit diaphragm formation, which are restored by genetic correction of the point mutation.

Original languageEnglish
Pages (from-to)727-740
Number of pages14
JournalStem Cell Reports
Volume11
Issue number3
DOIs
Publication statusPublished - Sep 11 2018

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Genetics
  • Developmental Biology
  • Cell Biology

Fingerprint Dive into the research topics of 'Organoids from Nephrotic Disease-Derived iPSCs Identify Impaired NEPHRIN Localization and Slit Diaphragm Formation in Kidney Podocytes'. Together they form a unique fingerprint.

Cite this